Secil Tokgoz: Co-analytic sets of reals and Selection Principles

Place: Fields Institute (Room 210)

Date: April 8th, 2016 (13:30-15:00)

Speaker: Secil Tokgoz

Title: Co-analytic sets of reals  and Selection Principles

Abstract: In this talk we study one of the definable classes in the projective hierarchy, namely the family of co-analytic sets. A subset of a Polish space is called co-analytic if its complement is analytic. We will present some results on co-analytic sets of reals which have combinatorial properties of open covers.

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